Datasheets for electronic components. This file is the datasheet for the following electronic components: 74LS – ?. Part Number: 74LS, Maunfacturer: Motorola, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor. 74LS datasheet, 74LS circuit, 74LS data sheet: TI – SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL,alldatasheet.
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74LS | Inventoteca Soluciones Disruptivas
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Load preset to BCD seven. Data inputs B and C are held at the low logic level. The ripple clock dayasheet produces a low-level output pulse equal in width to the low- level portion of the clock input when an overflow or underflow condition exists. Pin numbers shown are for D, J, and N packages. All products are sold subject to Tl’s terms and conditions of sale supplied at the time of order acknowledgment.
A disadvantage of this configuration, in someoutput of a given stage is not affected by its own CE.
(PDF) 74LS190 Datasheet download
774ls190 does not warrant or represent that any license, either express or implied, datashedt granted under any Tl patent right, copyright, mask work right, or other Tl intellectual property right relating to any combination, machine, or process in which Tl products or services are used. Data inputs A and D are shown by the solid line. The latter output produces a high-level output pulse with a duration approximately equal to one complete cycle of the clock when the counter overflows or underflows.
Synchronous operation is provided by having all flip- flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the steering logic. Data inputs A, B, and C are shown by the solid dstasheet. Conditions on other inputs are irrelevant. Full text of ” IC Datasheet: Tl products are not authorized for use in safety-critical applications such as life support datasheef a failure of the Tl product would reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing such use.
An asynchronous parallel load input overrides coun ting and loads the data. To minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. The input pulses are supplied by generators having the following characteristics: These counters are fully programmable; that is, the outputs may be preset to either level by placing 74l1s90 low on the load input and entering the desired data at the data inputs.
Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, and acknowledge 74ps190 agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Tl products in such safety-critical applications, notwithstanding any applications-related information or support that may be provided by Tl.
Voltage values are with respect to network ground terminal.
Wh en low, the counter counts up and when high, it counts down. This feature allows the counters to be used as modulo-N dividers by simply modifying the count length with the preset inputs. Further, Buyers must fully indemnify Tl and its representatives against any damages arising out of the use of Tl products in such safety-critical applications. Count down to one, zero minimumfifteen, fourteen, and thirteen.
Search the history of over billion web pages on the Internet. No abstract text available Text: Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. A disadvantage ofdoesn’t apply, because the TC output of a given stage is not affected by its own CE.
State changes of the counters are dwtasheet with the. I qq is measured with all inputs grounded and all outputs open. Delete arrow from 15 to 0.
These counter change on the positive transition of the clock input. Testing and other quality control techniques are used to the extent Tl deems necessary to support this warranty.
This mode of operation eliminates the output counting spikes normally associated with asyn- chronous ripple clock counters.
All data inputs are low. Data in is shown by the solid line for both devices. Following are URLs where you can obtain information on other Texas Instruments products and application solutions: